MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: R

There are no items in this cart.
Continue Shopping
Menu
Get instant 20% OFF on Online Material.
coupon code: MOB20 | View Course list

Get extra R 280 off
USE CODE: MOB20

				   

size of gallium is less than aluminium due to d-orbitals,but why so?

4 years ago

Share

Answers : (2)

										

Hi Ranjita,


 


The atomic radius of the Ga is less than Al because of poor screening effect.


The atomic radius of Ga is slightly lesser than of Al because in going from Al to Ga, the electrons have already occupied 3d sub shell in Ga. The screening effect of these intervening electrons being poor, has less influence to decrease the effective nuclear charge, therefore the electrons in Ga experience more forces of attractions towards nucleus to result in lower size of Ga than Al.


 


Regards,


Ashwin (IIT Madras).



4 years ago
										
The shielding effect of d-orbitals is very poor due to it’s diffused-spreading-shape in case of gallium. The d-orbital have diffused nature and thus poor shielding-effect.The shielding is just reducing impact of effective positive nuclear charge on the outer most electrons. The position of Gallium is just immediately after Zn which has completly filled d-orbitals ( 10 electrons). This makes the pronunced effect of nuclear charge (Zeff) and we find reduction in atomic radius of Gallium. It is thus diffused d-orbitals and their inability to shield the strong +ve charge which changes the trend of Atomic Radius. The Ga At. radius is thus unexpectedly smaller than Al and change in trend of Periodic Table set-up.  
one year ago

Post Your Answer

Other Related Questions on Inorganic Chemistry

Plz xplain last question ... the answer given is b ... shouldn`t it be c ??
 
 
@ navdeep Because of octet rule in stable electronic arrangement, Berilium will make 2+ cation. But because of it's tiny radius it can't handle this charge.. IN CONTRAST TO THAT , carbon...
 
Umakant biswal 24 days ago
what is the formula of Inorganic benzene .
 
 
Inorganic benzene formula is B 3 N 3 H 6. Organic benzene formula is C 6 H 6.
 
PRAPULPODISHETTI 11 months ago
 
INORGANIC BENZENE IS B 3 N 3 H 6 THIS IS ALSO CALLED BOROZOLE. BOROZOLE STRUCTURE IS SIMILAR TO THE BENZENE STRUCTURE THAT’S WHY THIS IS CALLED INORGANIC BENZENE
 
RAMCHANDRARAO 7 months ago
 
inorganic benzene is also known as BORAZINE
 
srujanyadav 11 months ago
800 ml .5 molar aq solution of urea id diluted by adding water determine final molarity in each case of following case:A.1.2litre watet is added B.diluted to 3 litre. C.5 times diluted00 ml...
 
 
Simply apply M1V1 = M2V2 0.5 x 800 = M2 x 2000 M2 = 1/5 = 0.2 M. For 3 litre Final volume take 3800 ml. And so on for next part.
 
Vikas TU 3 days ago
Cannizaro reaction is not given by Chloral HCHO 2-methylpropanal p-methoxybenzaldehydeThe answers are 1,2I have doubt in 3,4. Generally aldehydes without alphe hydrogen give cannizaro...
 
 
2 methyl propanal is one of the exceptions of the cannizaro reaction even if it does have alpha hydrogen on heating at 170-200 C it will show cannizaro reaction this is probably due to +I...
 
2016 years ago
what is c-c bond length of diamond?
 
 
1.54A
 
SHANMUKESHWAR 11 months ago
 
…the carbon-carbon bond leangth in daimond is 1.54 pico metre
 
SREEKANTH one month ago
 
The carbon-carbon (C-C) bond length in diamond is 154 pm
 
PRAPULPODISHETTI 11 months ago
What is the oxidation state of Cl in the compound HOCl
 
 
@ prashant The oxidation number of Cl is always -1 when it's not in diatomic form (Cl2). so, here also the oxidation number is -1 in the case of cl . this compound , oxidation number...
 
Umakant biswal 8 days ago
 
The Oxidation Number of Cl in HOCl is +1. It can be calculated as below: Total Charge on Molecule is Zero(0). Therefore, 0 = + 1 (for Hydrogen) – 2 (for Oxygen) ​+ X (for Chlorine) 0 = – ​1 ...
 
Bhasker Goel 8 days ago
View all Questions »

  • Complete JEE Main/Advanced Course and Test Series
  • OFFERED PRICE: R 15,000
  • View Details
Get extra R 3,750 off
USE CODE: sch25

Get extra R 280 off
USE CODE: MOB20

More Questions On Inorganic Chemistry

Ask Experts

Have any Question? Ask Experts

Post Question

 
 
Answer ‘n’ Earn
Attractive Gift
Vouchers
To Win!!!
Click Here for details